Most copies published for the same comic book series by a single author
Who
One Piece
What
320,866,000 unit(s) sold
Where
Japan (Tokyo)
When

The most copies published by a single author for the same comic book series is One Piece created by Eiichiro Oda (Japan) with 320,866,000 copies printed and circulated from December 1997 to December 2014.

One Piece has been serialised in Weekly Shonen Jump magazine (Shueisha) since 1997 and 77 volumes of comic books have been published as of April 2015. One Piece follows the adventures of Monkey D. Luffy who explores the ocean with his crew of pirates in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King. One Piece also holds a record for the most copies published for the same manga series.